Home / 770,057.20-1,062,624.96-447,744.46

Finding the Fourth Proportional to 770,057.20, 1,062,624.96 and 447,744.46

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Solution

The fourth proportional to 770,057.20, 1,062,624.96 and 447,744.46 is: 617,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,057.20 : 1,062,624.96 = 447,744.46 : x
  2. Step 2: Convert to fraction form
    770,057.20/1,062,624.96 = 447,744.46/x
  3. Step 3: Cross multiply
    770,057.20x = 1,062,624.96 × 447,744.46
  4. Step 4: Simplify right side
    770,057.20x = 475,784,438,897.72
  5. Step 5: Solve for x
    x = 475,784,438,897.72/770,057.20
  6. Step 6: Final answer
    x = 617,855.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.